forked from luck/tmp_suning_uos_patched
b54992fe1b
The IPI and local timer interrupts weren't being properly accounted for in /proc/stat. Collect them from the irq_stat structure, and return their sum. Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
53 lines
1.1 KiB
C
53 lines
1.1 KiB
C
#ifndef __ASM_HARDIRQ_H
|
|
#define __ASM_HARDIRQ_H
|
|
|
|
#include <linux/cache.h>
|
|
#include <linux/threads.h>
|
|
#include <asm/irq.h>
|
|
|
|
#define NR_IPI 5
|
|
|
|
typedef struct {
|
|
unsigned int __softirq_pending;
|
|
#ifdef CONFIG_LOCAL_TIMERS
|
|
unsigned int local_timer_irqs;
|
|
#endif
|
|
#ifdef CONFIG_SMP
|
|
unsigned int ipi_irqs[NR_IPI];
|
|
#endif
|
|
} ____cacheline_aligned irq_cpustat_t;
|
|
|
|
#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
|
|
|
|
#define __inc_irq_stat(cpu, member) __IRQ_STAT(cpu, member)++
|
|
#define __get_irq_stat(cpu, member) __IRQ_STAT(cpu, member)
|
|
|
|
#ifdef CONFIG_SMP
|
|
u64 smp_irq_stat_cpu(unsigned int cpu);
|
|
#else
|
|
#define smp_irq_stat_cpu(cpu) 0
|
|
#endif
|
|
|
|
#define arch_irq_stat_cpu smp_irq_stat_cpu
|
|
|
|
#if NR_IRQS > 512
|
|
#define HARDIRQ_BITS 10
|
|
#elif NR_IRQS > 256
|
|
#define HARDIRQ_BITS 9
|
|
#else
|
|
#define HARDIRQ_BITS 8
|
|
#endif
|
|
|
|
/*
|
|
* The hardirq mask has to be large enough to have space
|
|
* for potentially all IRQ sources in the system nesting
|
|
* on a single CPU:
|
|
*/
|
|
#if (1 << HARDIRQ_BITS) < NR_IRQS
|
|
# error HARDIRQ_BITS is too low!
|
|
#endif
|
|
|
|
#define __ARCH_IRQ_EXIT_IRQS_DISABLED 1
|
|
|
|
#endif /* __ASM_HARDIRQ_H */
|